使用壓力開關應遵循哪些原則
來源:編輯YY 時間:2014-11-12 08:21 點擊:次
一、合理選擇被測介質
所謂合理的被測介質是指介質要符合現(xiàn)場的可操作性,如介質的溫度要符合壓力開關的溫度范圍;物理和化學性質都要符合壓力開關的適用性。
二、正確選擇壓力開關的位置
為了避免壓力開關受周圍環(huán)境的影響,如電磁,光輻射,振動等因素,壓力開關的安裝位置應盡量遠離上述場所,并且最好留夠空間,方便日后的維護與維護。
三、正確安裝壓力開關(拓展:壓力開關安裝需知)
1.安裝壓力開關時,如果被測介質的性質是溫和的,那就要保證壓力開關與被測介質緊密接觸,減少測量過程中的誤差。
2.安裝過程中,壓力開關的緊固件部分應牢固可靠,可轉動部分應靈活可靠。
3.如果壓力開關測量的介質是較為惡劣的介質,如帶腐蝕、帶黏度、高溫、低溫介質,那都要對壓力開關采取一定的保護措施。
4.除了保護壓力開關的整體,線纜部分也需要進行特殊保護。
西安仕樂克控制器制造有限公司 (www.a3025.cn)
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